pm2fb.c revision 1.24
1 /* $NetBSD: pm2fb.c,v 1.24 2013/09/15 09:34:07 martin Exp $ */ 2 3 /* 4 * Copyright (c) 2009, 2012 Michael Lorenz 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 /* 29 * A console driver for Permedia 2 graphics controllers 30 * tested on sparc64 only so far 31 */ 32 33 #include <sys/cdefs.h> 34 __KERNEL_RCSID(0, "$NetBSD: pm2fb.c,v 1.24 2013/09/15 09:34:07 martin Exp $"); 35 36 #include <sys/param.h> 37 #include <sys/systm.h> 38 #include <sys/kernel.h> 39 #include <sys/device.h> 40 #include <sys/malloc.h> 41 #include <sys/lwp.h> 42 #include <sys/kauth.h> 43 #include <sys/atomic.h> 44 45 #include <dev/videomode/videomode.h> 46 47 #include <dev/pci/pcivar.h> 48 #include <dev/pci/pcireg.h> 49 #include <dev/pci/pcidevs.h> 50 #include <dev/pci/pciio.h> 51 #include <dev/pci/pm2reg.h> 52 53 #include <dev/wscons/wsdisplayvar.h> 54 #include <dev/wscons/wsconsio.h> 55 #include <dev/wsfont/wsfont.h> 56 #include <dev/rasops/rasops.h> 57 #include <dev/wscons/wsdisplay_vconsvar.h> 58 #include <dev/wscons/wsdisplay_glyphcachevar.h> 59 #include <dev/pci/wsdisplay_pci.h> 60 61 #include <dev/i2c/i2cvar.h> 62 #include <dev/i2c/i2c_bitbang.h> 63 #include <dev/i2c/ddcvar.h> 64 #include <dev/videomode/videomode.h> 65 #include <dev/videomode/edidvar.h> 66 #include <dev/videomode/edidreg.h> 67 68 #include "opt_pm2fb.h" 69 70 #ifdef PM2FB_DEBUG 71 #define DPRINTF aprint_error 72 #else 73 #define DPRINTF while (0) printf 74 #endif 75 76 struct pm2fb_softc { 77 device_t sc_dev; 78 79 pci_chipset_tag_t sc_pc; 80 pcitag_t sc_pcitag; 81 82 bus_space_tag_t sc_memt; 83 bus_space_tag_t sc_iot; 84 85 bus_space_handle_t sc_regh; 86 bus_addr_t sc_fb, sc_reg; 87 bus_size_t sc_fbsize, sc_regsize; 88 89 int sc_width, sc_height, sc_depth, sc_stride; 90 int sc_locked; 91 struct vcons_screen sc_console_screen; 92 struct wsscreen_descr sc_defaultscreen_descr; 93 const struct wsscreen_descr *sc_screens[1]; 94 struct wsscreen_list sc_screenlist; 95 struct vcons_data vd; 96 int sc_mode; 97 u_char sc_cmap_red[256]; 98 u_char sc_cmap_green[256]; 99 u_char sc_cmap_blue[256]; 100 /* engine stuff */ 101 uint32_t sc_pprod; 102 int sc_is_pm2; 103 /* i2c stuff */ 104 struct i2c_controller sc_i2c; 105 uint8_t sc_edid_data[128]; 106 struct edid_info sc_ei; 107 const struct videomode *sc_videomode; 108 glyphcache sc_gc; 109 }; 110 111 static int pm2fb_match(device_t, cfdata_t, void *); 112 static void pm2fb_attach(device_t, device_t, void *); 113 114 CFATTACH_DECL_NEW(pm2fb, sizeof(struct pm2fb_softc), 115 pm2fb_match, pm2fb_attach, NULL, NULL); 116 117 extern const u_char rasops_cmap[768]; 118 119 static int pm2fb_ioctl(void *, void *, u_long, void *, int, 120 struct lwp *); 121 static paddr_t pm2fb_mmap(void *, void *, off_t, int); 122 static void pm2fb_init_screen(void *, struct vcons_screen *, int, long *); 123 124 static int pm2fb_putcmap(struct pm2fb_softc *, struct wsdisplay_cmap *); 125 static int pm2fb_getcmap(struct pm2fb_softc *, struct wsdisplay_cmap *); 126 static void pm2fb_restore_palette(struct pm2fb_softc *); 127 static int pm2fb_putpalreg(struct pm2fb_softc *, uint8_t, uint8_t, 128 uint8_t, uint8_t); 129 130 static void pm2fb_init(struct pm2fb_softc *); 131 static inline void pm2fb_wait(struct pm2fb_softc *, int); 132 static void pm2fb_flush_engine(struct pm2fb_softc *); 133 static void pm2fb_rectfill(struct pm2fb_softc *, int, int, int, int, 134 uint32_t); 135 static void pm2fb_rectfill_a(void *, int, int, int, int, long); 136 static void pm2fb_bitblt(void *, int, int, int, int, int, int, int); 137 138 static void pm2fb_cursor(void *, int, int, int); 139 static void pm2fb_putchar(void *, int, int, u_int, long); 140 static void pm2fb_putchar_aa(void *, int, int, u_int, long); 141 static void pm2fb_copycols(void *, int, int, int, int); 142 static void pm2fb_erasecols(void *, int, int, int, long); 143 static void pm2fb_copyrows(void *, int, int, int); 144 static void pm2fb_eraserows(void *, int, int, long); 145 146 struct wsdisplay_accessops pm2fb_accessops = { 147 pm2fb_ioctl, 148 pm2fb_mmap, 149 NULL, /* alloc_screen */ 150 NULL, /* free_screen */ 151 NULL, /* show_screen */ 152 NULL, /* load_font */ 153 NULL, /* pollc */ 154 NULL /* scroll */ 155 }; 156 157 /* I2C glue */ 158 static int pm2fb_i2c_acquire_bus(void *, int); 159 static void pm2fb_i2c_release_bus(void *, int); 160 static int pm2fb_i2c_send_start(void *, int); 161 static int pm2fb_i2c_send_stop(void *, int); 162 static int pm2fb_i2c_initiate_xfer(void *, i2c_addr_t, int); 163 static int pm2fb_i2c_read_byte(void *, uint8_t *, int); 164 static int pm2fb_i2c_write_byte(void *, uint8_t, int); 165 166 /* I2C bitbang glue */ 167 static void pm2fb_i2cbb_set_bits(void *, uint32_t); 168 static void pm2fb_i2cbb_set_dir(void *, uint32_t); 169 static uint32_t pm2fb_i2cbb_read(void *); 170 171 static void pm2_setup_i2c(struct pm2fb_softc *); 172 173 static const struct i2c_bitbang_ops pm2fb_i2cbb_ops = { 174 pm2fb_i2cbb_set_bits, 175 pm2fb_i2cbb_set_dir, 176 pm2fb_i2cbb_read, 177 { 178 PM2_DD_SDA_IN, 179 PM2_DD_SCL_IN, 180 0, 181 0 182 } 183 }; 184 185 /* mode setting stuff */ 186 static int pm2fb_set_pll(struct pm2fb_softc *, int); 187 static uint8_t pm2fb_read_dac(struct pm2fb_softc *, int); 188 static void pm2fb_write_dac(struct pm2fb_softc *, int, uint8_t); 189 static void pm2fb_set_mode(struct pm2fb_softc *, const struct videomode *); 190 191 /* this table is from xf86-video-glint */ 192 #define PARTPROD(a,b,c) (((a)<<6) | ((b)<<3) | (c)) 193 int partprodPermedia[] = { 194 -1, 195 PARTPROD(0,0,1), PARTPROD(0,1,1), PARTPROD(1,1,1), PARTPROD(1,1,2), 196 PARTPROD(1,2,2), PARTPROD(2,2,2), PARTPROD(1,2,3), PARTPROD(2,2,3), 197 PARTPROD(1,3,3), PARTPROD(2,3,3), PARTPROD(1,2,4), PARTPROD(3,3,3), 198 PARTPROD(1,3,4), PARTPROD(2,3,4), -1, PARTPROD(3,3,4), 199 PARTPROD(1,4,4), PARTPROD(2,4,4), -1, PARTPROD(3,4,4), 200 -1, PARTPROD(2,3,5), -1, PARTPROD(4,4,4), 201 PARTPROD(1,4,5), PARTPROD(2,4,5), PARTPROD(3,4,5), -1, 202 -1, -1, -1, PARTPROD(4,4,5), 203 PARTPROD(1,5,5), PARTPROD(2,5,5), -1, PARTPROD(3,5,5), 204 -1, -1, -1, PARTPROD(4,5,5), 205 -1, -1, -1, PARTPROD(3,4,6), 206 -1, -1, -1, PARTPROD(5,5,5), 207 PARTPROD(1,5,6), PARTPROD(2,5,6), -1, PARTPROD(3,5,6), 208 -1, -1, -1, PARTPROD(4,5,6), 209 -1, -1, -1, -1, 210 -1, -1, -1, PARTPROD(5,5,6), 211 -1, -1, -1, -1, 212 -1, -1, -1, -1, 213 -1, -1, -1, -1, 214 -1, -1, -1, -1, 215 -1, -1, -1, -1, 216 -1, -1, -1, -1, 217 -1, -1, -1, -1, 218 -1, -1, -1, -1, 219 -1, -1, -1, -1, 220 -1, -1, -1, -1, 221 -1, -1, -1, -1, 222 -1, -1, -1, -1, 223 -1, -1, -1, -1, 224 -1, -1, -1, -1, 225 -1, -1, -1, -1, 226 -1, -1, -1, -1, 227 0}; 228 229 static inline void 230 pm2fb_wait(struct pm2fb_softc *sc, int slots) 231 { 232 uint32_t reg; 233 234 do { 235 reg = bus_space_read_4(sc->sc_memt, sc->sc_regh, 236 PM2_INPUT_FIFO_SPACE); 237 } while (reg <= slots); 238 } 239 240 static void 241 pm2fb_flush_engine(struct pm2fb_softc *sc) 242 { 243 244 pm2fb_wait(sc, 2); 245 246 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_FILTER_MODE, 247 PM2FLT_PASS_SYNC); 248 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_SYNC, 0); 249 do { 250 while (bus_space_read_4(sc->sc_memt, sc->sc_regh, 251 PM2_OUTPUT_FIFO_WORDS) == 0); 252 } while (bus_space_read_4(sc->sc_memt, sc->sc_regh, PM2_OUTPUT_FIFO) != 253 0x188); 254 } 255 256 static int 257 pm2fb_match(device_t parent, cfdata_t match, void *aux) 258 { 259 struct pci_attach_args *pa = (struct pci_attach_args *)aux; 260 261 if (PCI_CLASS(pa->pa_class) != PCI_CLASS_DISPLAY) 262 return 0; 263 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_3DLABS) 264 return 0; 265 266 /* 267 * only card tested on so far is a TechSource Raptor GFX 8P / 268 * Sun PGX32, which happens to be a Permedia 2v 269 */ 270 if (/*(PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_3DLABS_PERMEDIA2) ||*/ 271 (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_3DLABS_PERMEDIA2V)) 272 return 100; 273 return (0); 274 } 275 276 static void 277 pm2fb_attach(device_t parent, device_t self, void *aux) 278 { 279 struct pm2fb_softc *sc = device_private(self); 280 struct pci_attach_args *pa = aux; 281 struct rasops_info *ri; 282 struct wsemuldisplaydev_attach_args aa; 283 prop_dictionary_t dict; 284 unsigned long defattr; 285 bool is_console; 286 int i, j; 287 uint32_t flags; 288 uint8_t cmap[768]; 289 290 sc->sc_pc = pa->pa_pc; 291 sc->sc_pcitag = pa->pa_tag; 292 sc->sc_memt = pa->pa_memt; 293 sc->sc_iot = pa->pa_iot; 294 sc->sc_dev = self; 295 sc->sc_is_pm2 = (PCI_PRODUCT(pa->pa_id) == 296 PCI_PRODUCT_3DLABS_PERMEDIA2); 297 pci_aprint_devinfo(pa, NULL); 298 299 /* 300 * fill in parameters from properties 301 * if we can't get a usable mode via DDC2 we'll use this to pick one, 302 * which is why we fill them in with some conservative values that 303 * hopefully work as a last resort 304 */ 305 dict = device_properties(self); 306 if (!prop_dictionary_get_uint32(dict, "width", &sc->sc_width)) { 307 aprint_error("%s: no width property\n", device_xname(self)); 308 sc->sc_width = 1024; 309 } 310 if (!prop_dictionary_get_uint32(dict, "height", &sc->sc_height)) { 311 aprint_error("%s: no height property\n", device_xname(self)); 312 sc->sc_height = 768; 313 } 314 if (!prop_dictionary_get_uint32(dict, "depth", &sc->sc_depth)) { 315 aprint_error("%s: no depth property\n", device_xname(self)); 316 sc->sc_depth = 8; 317 } 318 319 /* 320 * don't look at the linebytes property - The Raptor firmware lies 321 * about it. Get it from width * depth >> 3 instead. 322 */ 323 324 sc->sc_stride = sc->sc_width * (sc->sc_depth >> 3); 325 326 prop_dictionary_get_bool(dict, "is_console", &is_console); 327 328 pci_mapreg_info(pa->pa_pc, pa->pa_tag, 0x14, PCI_MAPREG_TYPE_MEM, 329 &sc->sc_fb, &sc->sc_fbsize, &flags); 330 331 if (pci_mapreg_map(pa, 0x10, PCI_MAPREG_TYPE_MEM, 0, 332 &sc->sc_memt, &sc->sc_regh, &sc->sc_reg, &sc->sc_regsize)) { 333 aprint_error("%s: failed to map registers.\n", 334 device_xname(sc->sc_dev)); 335 } 336 337 /* 338 * XXX yeah, casting the fb address to uint32_t is formally wrong 339 * but as far as I know there are no PM2 with 64bit BARs 340 */ 341 aprint_normal("%s: %d MB aperture at 0x%08x\n", device_xname(self), 342 (int)(sc->sc_fbsize >> 20), (uint32_t)sc->sc_fb); 343 344 sc->sc_defaultscreen_descr = (struct wsscreen_descr){ 345 "default", 346 0, 0, 347 NULL, 348 8, 16, 349 WSSCREEN_WSCOLORS | WSSCREEN_HILIT, 350 NULL 351 }; 352 sc->sc_screens[0] = &sc->sc_defaultscreen_descr; 353 sc->sc_screenlist = (struct wsscreen_list){1, sc->sc_screens}; 354 sc->sc_mode = WSDISPLAYIO_MODE_EMUL; 355 sc->sc_locked = 0; 356 357 pm2_setup_i2c(sc); 358 359 vcons_init(&sc->vd, sc, &sc->sc_defaultscreen_descr, 360 &pm2fb_accessops); 361 sc->vd.init_screen = pm2fb_init_screen; 362 363 /* init engine here */ 364 pm2fb_init(sc); 365 366 ri = &sc->sc_console_screen.scr_ri; 367 368 sc->sc_gc.gc_bitblt = pm2fb_bitblt; 369 sc->sc_gc.gc_rectfill = pm2fb_rectfill_a; 370 sc->sc_gc.gc_blitcookie = sc; 371 sc->sc_gc.gc_rop = 3; 372 373 #ifdef PM2FB_DEBUG 374 /* 375 * leave some room at the bottom of the screen for various blitter 376 * tests and in order to make the glyph cache visible 377 */ 378 sc->sc_height -= 200; 379 #endif 380 381 if (is_console) { 382 vcons_init_screen(&sc->vd, &sc->sc_console_screen, 1, 383 &defattr); 384 sc->sc_console_screen.scr_flags |= VCONS_SCREEN_IS_STATIC; 385 386 pm2fb_rectfill(sc, 0, 0, sc->sc_width, sc->sc_height, 387 ri->ri_devcmap[(defattr >> 16) & 0xff]); 388 sc->sc_defaultscreen_descr.textops = &ri->ri_ops; 389 sc->sc_defaultscreen_descr.capabilities = ri->ri_caps; 390 sc->sc_defaultscreen_descr.nrows = ri->ri_rows; 391 sc->sc_defaultscreen_descr.ncols = ri->ri_cols; 392 393 glyphcache_init(&sc->sc_gc, sc->sc_height + 5, 394 min(2047, (sc->sc_fbsize / sc->sc_stride)) 395 - sc->sc_height - 5, 396 sc->sc_width, 397 ri->ri_font->fontwidth, 398 ri->ri_font->fontheight, 399 defattr); 400 wsdisplay_cnattach(&sc->sc_defaultscreen_descr, ri, 0, 0, 401 defattr); 402 vcons_replay_msgbuf(&sc->sc_console_screen); 403 } else { 404 if (sc->sc_console_screen.scr_ri.ri_rows == 0) { 405 /* do some minimal setup to avoid weirdnesses later */ 406 vcons_init_screen(&sc->vd, &sc->sc_console_screen, 1, 407 &defattr); 408 } else 409 (*ri->ri_ops.allocattr)(ri, 0, 0, 0, &defattr); 410 glyphcache_init(&sc->sc_gc, sc->sc_height + 5, 411 min(2047, (sc->sc_fbsize / sc->sc_stride)) 412 - sc->sc_height - 5, 413 sc->sc_width, 414 ri->ri_font->fontwidth, 415 ri->ri_font->fontheight, 416 defattr); 417 } 418 419 j = 0; 420 rasops_get_cmap(ri, cmap, sizeof(cmap)); 421 for (i = 0; i < 256; i++) { 422 sc->sc_cmap_red[i] = cmap[j]; 423 sc->sc_cmap_green[i] = cmap[j + 1]; 424 sc->sc_cmap_blue[i] = cmap[j + 2]; 425 pm2fb_putpalreg(sc, i, cmap[j], cmap[j + 1], cmap[j + 2]); 426 j += 3; 427 } 428 429 aa.console = is_console; 430 aa.scrdata = &sc->sc_screenlist; 431 aa.accessops = &pm2fb_accessops; 432 aa.accesscookie = &sc->vd; 433 434 config_found(sc->sc_dev, &aa, wsemuldisplaydevprint); 435 436 #ifdef PM2FB_DEBUG 437 /* 438 * draw a pattern to check if pm2fb_bitblt() gets the alignment stuff 439 * right 440 */ 441 pm2fb_rectfill(sc, 0, sc->sc_height, sc->sc_width, 200, 0xffffffff); 442 pm2fb_rectfill(sc, 0, sc->sc_height, 300, 10, 0); 443 pm2fb_rectfill(sc, 10, sc->sc_height, 200, 10, 0xe0e0e0e0); 444 for (i = 1; i < 20; i++) { 445 pm2fb_bitblt(sc, 0, sc->sc_height, 446 i, sc->sc_height + 10 * i, 447 300, 10, 3); 448 pm2fb_bitblt(sc, i, sc->sc_height, 449 400, sc->sc_height + 10 * i, 450 300, 10, 3); 451 } 452 #endif 453 } 454 455 static int 456 pm2fb_ioctl(void *v, void *vs, u_long cmd, void *data, int flag, 457 struct lwp *l) 458 { 459 struct vcons_data *vd = v; 460 struct pm2fb_softc *sc = vd->cookie; 461 struct wsdisplay_fbinfo *wdf; 462 struct vcons_screen *ms = vd->active; 463 464 switch (cmd) { 465 case WSDISPLAYIO_GTYPE: 466 *(u_int *)data = WSDISPLAY_TYPE_PCIMISC; 467 return 0; 468 469 /* PCI config read/write passthrough. */ 470 case PCI_IOC_CFGREAD: 471 case PCI_IOC_CFGWRITE: 472 return pci_devioctl(sc->sc_pc, sc->sc_pcitag, 473 cmd, data, flag, l); 474 475 case WSDISPLAYIO_GET_BUSID: 476 return wsdisplayio_busid_pci(sc->sc_dev, sc->sc_pc, 477 sc->sc_pcitag, data); 478 479 case WSDISPLAYIO_GINFO: 480 if (ms == NULL) 481 return ENODEV; 482 wdf = (void *)data; 483 wdf->height = ms->scr_ri.ri_height; 484 wdf->width = ms->scr_ri.ri_width; 485 wdf->depth = ms->scr_ri.ri_depth; 486 wdf->cmsize = 256; 487 return 0; 488 489 case WSDISPLAYIO_GETCMAP: 490 return pm2fb_getcmap(sc, 491 (struct wsdisplay_cmap *)data); 492 493 case WSDISPLAYIO_PUTCMAP: 494 return pm2fb_putcmap(sc, 495 (struct wsdisplay_cmap *)data); 496 497 case WSDISPLAYIO_LINEBYTES: 498 *(u_int *)data = sc->sc_stride; 499 return 0; 500 501 case WSDISPLAYIO_SMODE: { 502 int new_mode = *(int*)data; 503 if (new_mode != sc->sc_mode) { 504 sc->sc_mode = new_mode; 505 if(new_mode == WSDISPLAYIO_MODE_EMUL) { 506 /* first set the video mode */ 507 if (sc->sc_videomode != NULL) { 508 pm2fb_set_mode(sc, sc->sc_videomode); 509 } 510 /* then initialize the drawing engine */ 511 pm2fb_init(sc); 512 pm2fb_restore_palette(sc); 513 /* clean out the glyph cache */ 514 glyphcache_wipe(&sc->sc_gc); 515 /* and redraw everything */ 516 vcons_redraw_screen(ms); 517 } else 518 pm2fb_flush_engine(sc); 519 } 520 } 521 return 0; 522 case WSDISPLAYIO_GET_EDID: { 523 struct wsdisplayio_edid_info *d = data; 524 d->data_size = 128; 525 if (d->buffer_size < 128) 526 return EAGAIN; 527 return copyout(sc->sc_edid_data, d->edid_data, 128); 528 } 529 } 530 return EPASSTHROUGH; 531 } 532 533 static paddr_t 534 pm2fb_mmap(void *v, void *vs, off_t offset, int prot) 535 { 536 struct vcons_data *vd = v; 537 struct pm2fb_softc *sc = vd->cookie; 538 paddr_t pa; 539 540 /* 'regular' framebuffer mmap()ing */ 541 if (offset < sc->sc_fbsize) { 542 pa = bus_space_mmap(sc->sc_memt, sc->sc_fb + offset, 0, prot, 543 BUS_SPACE_MAP_LINEAR); 544 return pa; 545 } 546 547 /* 548 * restrict all other mappings to processes with superuser privileges 549 * or the kernel itself 550 */ 551 if (kauth_authorize_machdep(kauth_cred_get(), 552 KAUTH_MACHDEP_UNMANAGEDMEM, 553 NULL, NULL, NULL, NULL) != 0) { 554 aprint_normal("%s: mmap() rejected.\n", 555 device_xname(sc->sc_dev)); 556 return -1; 557 } 558 559 if ((offset >= sc->sc_fb) && (offset < (sc->sc_fb + sc->sc_fbsize))) { 560 pa = bus_space_mmap(sc->sc_memt, offset, 0, prot, 561 BUS_SPACE_MAP_LINEAR); 562 return pa; 563 } 564 565 if ((offset >= sc->sc_reg) && 566 (offset < (sc->sc_reg + sc->sc_regsize))) { 567 pa = bus_space_mmap(sc->sc_memt, offset, 0, prot, 568 BUS_SPACE_MAP_LINEAR); 569 return pa; 570 } 571 572 #ifdef PCI_MAGIC_IO_RANGE 573 /* allow mapping of IO space */ 574 if ((offset >= PCI_MAGIC_IO_RANGE) && 575 (offset < PCI_MAGIC_IO_RANGE + 0x10000)) { 576 pa = bus_space_mmap(sc->sc_iot, offset - PCI_MAGIC_IO_RANGE, 577 0, prot, BUS_SPACE_MAP_LINEAR); 578 return pa; 579 } 580 #endif 581 582 return -1; 583 } 584 585 static void 586 pm2fb_init_screen(void *cookie, struct vcons_screen *scr, 587 int existing, long *defattr) 588 { 589 struct pm2fb_softc *sc = cookie; 590 struct rasops_info *ri = &scr->scr_ri; 591 592 ri->ri_depth = sc->sc_depth; 593 ri->ri_width = sc->sc_width; 594 ri->ri_height = sc->sc_height; 595 ri->ri_stride = sc->sc_stride; 596 ri->ri_flg = RI_CENTER; 597 if (sc->sc_depth == 8) 598 ri->ri_flg |= RI_8BIT_IS_RGB | RI_ENABLE_ALPHA; 599 600 rasops_init(ri, 0, 0); 601 ri->ri_caps = WSSCREEN_WSCOLORS | WSSCREEN_UNDERLINE; 602 603 rasops_reconfig(ri, sc->sc_height / ri->ri_font->fontheight, 604 sc->sc_width / ri->ri_font->fontwidth); 605 606 ri->ri_hw = scr; 607 ri->ri_ops.copyrows = pm2fb_copyrows; 608 ri->ri_ops.copycols = pm2fb_copycols; 609 ri->ri_ops.cursor = pm2fb_cursor; 610 ri->ri_ops.eraserows = pm2fb_eraserows; 611 ri->ri_ops.erasecols = pm2fb_erasecols; 612 if (FONT_IS_ALPHA(ri->ri_font)) { 613 ri->ri_ops.putchar = pm2fb_putchar_aa; 614 } else 615 ri->ri_ops.putchar = pm2fb_putchar; 616 } 617 618 static int 619 pm2fb_putcmap(struct pm2fb_softc *sc, struct wsdisplay_cmap *cm) 620 { 621 u_char *r, *g, *b; 622 u_int index = cm->index; 623 u_int count = cm->count; 624 int i, error; 625 u_char rbuf[256], gbuf[256], bbuf[256]; 626 627 #ifdef PM2FB_DEBUG 628 aprint_debug("putcmap: %d %d\n",index, count); 629 #endif 630 if (cm->index >= 256 || cm->count > 256 || 631 (cm->index + cm->count) > 256) 632 return EINVAL; 633 error = copyin(cm->red, &rbuf[index], count); 634 if (error) 635 return error; 636 error = copyin(cm->green, &gbuf[index], count); 637 if (error) 638 return error; 639 error = copyin(cm->blue, &bbuf[index], count); 640 if (error) 641 return error; 642 643 memcpy(&sc->sc_cmap_red[index], &rbuf[index], count); 644 memcpy(&sc->sc_cmap_green[index], &gbuf[index], count); 645 memcpy(&sc->sc_cmap_blue[index], &bbuf[index], count); 646 647 r = &sc->sc_cmap_red[index]; 648 g = &sc->sc_cmap_green[index]; 649 b = &sc->sc_cmap_blue[index]; 650 651 for (i = 0; i < count; i++) { 652 pm2fb_putpalreg(sc, index, *r, *g, *b); 653 index++; 654 r++, g++, b++; 655 } 656 return 0; 657 } 658 659 static int 660 pm2fb_getcmap(struct pm2fb_softc *sc, struct wsdisplay_cmap *cm) 661 { 662 u_int index = cm->index; 663 u_int count = cm->count; 664 int error; 665 666 if (index >= 255 || count > 256 || index + count > 256) 667 return EINVAL; 668 669 error = copyout(&sc->sc_cmap_red[index], cm->red, count); 670 if (error) 671 return error; 672 error = copyout(&sc->sc_cmap_green[index], cm->green, count); 673 if (error) 674 return error; 675 error = copyout(&sc->sc_cmap_blue[index], cm->blue, count); 676 if (error) 677 return error; 678 679 return 0; 680 } 681 682 static void 683 pm2fb_restore_palette(struct pm2fb_softc *sc) 684 { 685 int i; 686 687 for (i = 0; i < (1 << sc->sc_depth); i++) { 688 pm2fb_putpalreg(sc, i, sc->sc_cmap_red[i], 689 sc->sc_cmap_green[i], sc->sc_cmap_blue[i]); 690 } 691 } 692 693 static int 694 pm2fb_putpalreg(struct pm2fb_softc *sc, uint8_t idx, uint8_t r, uint8_t g, 695 uint8_t b) 696 { 697 bus_space_write_1(sc->sc_memt, sc->sc_regh, PM2_DAC_PAL_WRITE_IDX, idx); 698 bus_space_write_1(sc->sc_memt, sc->sc_regh, PM2_DAC_DATA, r); 699 bus_space_write_1(sc->sc_memt, sc->sc_regh, PM2_DAC_DATA, g); 700 bus_space_write_1(sc->sc_memt, sc->sc_regh, PM2_DAC_DATA, b); 701 return 0; 702 } 703 704 static uint8_t 705 pm2fb_read_dac(struct pm2fb_softc *sc, int reg) 706 { 707 if (sc->sc_is_pm2) { 708 bus_space_write_1(sc->sc_memt, sc->sc_regh, 709 PM2_DAC_PAL_WRITE_IDX, reg); 710 return bus_space_read_1(sc->sc_memt, sc->sc_regh, 711 PM2_DAC_INDEX_DATA); 712 } else { 713 bus_space_write_1(sc->sc_memt, sc->sc_regh, 714 PM2V_DAC_INDEX_LOW, reg & 0xff); 715 bus_space_write_1(sc->sc_memt, sc->sc_regh, 716 PM2V_DAC_INDEX_HIGH, (reg >> 8) & 0xff); 717 return bus_space_read_1(sc->sc_memt, sc->sc_regh, 718 PM2V_DAC_INDEX_DATA); 719 } 720 } 721 722 static void 723 pm2fb_write_dac(struct pm2fb_softc *sc, int reg, uint8_t data) 724 { 725 pm2fb_wait(sc, 3); 726 if (sc->sc_is_pm2) { 727 bus_space_write_1(sc->sc_memt, sc->sc_regh, 728 PM2_DAC_PAL_WRITE_IDX, reg); 729 bus_space_write_1(sc->sc_memt, sc->sc_regh, 730 PM2_DAC_INDEX_DATA, data); 731 } else { 732 bus_space_write_1(sc->sc_memt, sc->sc_regh, 733 PM2V_DAC_INDEX_LOW, reg & 0xff); 734 bus_space_write_1(sc->sc_memt, sc->sc_regh, 735 PM2V_DAC_INDEX_HIGH, (reg >> 8) & 0xff); 736 bus_space_write_1(sc->sc_memt, sc->sc_regh, 737 PM2V_DAC_INDEX_DATA, data); 738 } 739 } 740 741 static void 742 pm2fb_init(struct pm2fb_softc *sc) 743 { 744 pm2fb_flush_engine(sc); 745 746 pm2fb_wait(sc, 8); 747 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_SCREEN_BASE, 0); 748 #if 0 749 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_BYPASS_MASK, 750 0xffffffff); 751 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_FB_WRITE_MASK, 752 0xffffffff); 753 #endif 754 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_HW_WRITEMASK, 755 0xffffffff); 756 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_SW_WRITEMASK, 757 0xffffffff); 758 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_WRITE_MODE, 759 PM2WM_WRITE_EN); 760 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_SCREENSIZE, 761 (sc->sc_height << 16) | sc->sc_width); 762 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_SCISSOR_MODE, 763 PM2SC_SCREEN_EN); 764 pm2fb_wait(sc, 8); 765 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_DITHER_MODE, 0); 766 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_ALPHA_MODE, 0); 767 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_DDA_MODE, 0); 768 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_TEX_COLOUR_MODE, 0); 769 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_TEX_ADDRESS_MODE, 0); 770 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_TEX_READ_MODE, 0); 771 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_TEX_LUT_MODE, 0); 772 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_YUV_MODE, 0); 773 pm2fb_wait(sc, 8); 774 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_DEPTH_MODE, 0); 775 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_DEPTH, 0); 776 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_STENCIL_MODE, 0); 777 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_STIPPLE_MODE, 0); 778 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_ROP_MODE, 0); 779 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_WINDOW_ORIGIN, 0); 780 #if 0 781 sc->sc_pprod = bus_space_read_4(sc->sc_memt, sc->sc_regh, 782 PM2_FB_READMODE) & 783 (PM2FB_PP0_MASK | PM2FB_PP1_MASK | PM2FB_PP2_MASK); 784 #endif 785 sc->sc_pprod = partprodPermedia[sc->sc_stride >> 5]; 786 787 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_FB_READMODE, 788 sc->sc_pprod); 789 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_TEXMAP_FORMAT, 790 sc->sc_pprod); 791 pm2fb_wait(sc, 9); 792 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_DY, 1 << 16); 793 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_DXDOM, 0); 794 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_STARTXDOM, 0); 795 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_STARTXSUB, 0); 796 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_STARTY, 0); 797 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_COUNT, 0); 798 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_SCISSOR_MINYX, 0); 799 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_SCISSOR_MAXYX, 800 0x0fff0fff); 801 /* 802 * another scissor we need to disable in order to blit into off-screen 803 * memory 804 */ 805 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_SCREENSIZE, 806 0x0fff0fff); 807 808 switch(sc->sc_depth) { 809 case 8: 810 bus_space_write_4(sc->sc_memt, sc->sc_regh, 811 PM2_RE_PIXEL_SIZE, PM2PS_8BIT); 812 break; 813 case 16: 814 bus_space_write_4(sc->sc_memt, sc->sc_regh, 815 PM2_RE_PIXEL_SIZE, PM2PS_16BIT); 816 break; 817 case 32: 818 bus_space_write_4(sc->sc_memt, sc->sc_regh, 819 PM2_RE_PIXEL_SIZE, PM2PS_32BIT); 820 break; 821 } 822 pm2fb_flush_engine(sc); 823 DPRINTF("pixel size: %08x\n", 824 bus_space_read_4(sc->sc_memt, sc->sc_regh, PM2_RE_PIXEL_SIZE)); 825 } 826 827 static void 828 pm2fb_rectfill(struct pm2fb_softc *sc, int x, int y, int wi, int he, 829 uint32_t colour) 830 { 831 832 pm2fb_wait(sc, 7); 833 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_DDA_MODE, 0); 834 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_MODE, 0); 835 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_CONFIG, 836 PM2RECFG_WRITE_EN); 837 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_BLOCK_COLOUR, 838 colour); 839 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_RECT_START, 840 (y << 16) | x); 841 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_RECT_SIZE, 842 (he << 16) | wi); 843 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_RENDER, 844 PM2RE_RECTANGLE | PM2RE_INC_X | PM2RE_INC_Y | PM2RE_FASTFILL); 845 } 846 847 static void 848 pm2fb_rectfill_a(void *cookie, int x, int y, int wi, int he, long attr) 849 { 850 struct pm2fb_softc *sc = cookie; 851 852 pm2fb_rectfill(sc, x, y, wi, he, 853 sc->vd.active->scr_ri.ri_devcmap[(attr >> 24 & 0xf)]); 854 } 855 856 static void 857 pm2fb_bitblt(void *cookie, int xs, int ys, int xd, int yd, 858 int wi, int he, int rop) 859 { 860 struct pm2fb_softc *sc = cookie; 861 uint32_t dir = 0; 862 int rxd, rwi, rxdelta; 863 864 if (yd <= ys) { 865 dir |= PM2RE_INC_Y; 866 } 867 if (xd <= xs) { 868 dir |= PM2RE_INC_X; 869 } 870 pm2fb_wait(sc, 8); 871 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_DDA_MODE, 0); 872 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_MODE, 0); 873 if (sc->sc_depth == 8) { 874 int adjust; 875 /* 876 * use packed mode for some extra speed 877 * this copies 32bit quantities even in 8 bit mode, so we need 878 * to adjust for cases where the lower two bits in source and 879 * destination X don't align, and/or where the width isn't a 880 * multiple of 4 881 */ 882 if (rop == 3) { 883 bus_space_write_4(sc->sc_memt, sc->sc_regh, 884 PM2_RE_CONFIG, 885 PM2RECFG_READ_SRC | PM2RECFG_WRITE_EN | 886 PM2RECFG_ROP_EN | PM2RECFG_PACKED | (rop << 6)); 887 } else { 888 bus_space_write_4(sc->sc_memt, sc->sc_regh, 889 PM2_RE_CONFIG, 890 PM2RECFG_READ_SRC | PM2RECFG_READ_DST | 891 PM2RECFG_WRITE_EN | PM2RECFG_PACKED | 892 PM2RECFG_ROP_EN | (rop << 6)); 893 } 894 rxd = xd >> 2; 895 rwi = (wi + 7) >> 2; 896 rxdelta = (xs & 0xffc) - (xd & 0xffc); 897 /* adjust for non-aligned x */ 898 adjust = ((xd & 3) - (xs & 3)); 899 bus_space_write_4(sc->sc_memt, sc->sc_regh, 900 PM2_RE_PACKEDDATA_LIMIT, 901 (xd << 16) | (xd + wi) | (adjust << 29)); 902 903 } else { 904 /* we're in 16 or 32bit mode */ 905 if (rop == 3) { 906 bus_space_write_4(sc->sc_memt, sc->sc_regh, 907 PM2_RE_CONFIG, 908 PM2RECFG_READ_SRC | PM2RECFG_WRITE_EN | 909 PM2RECFG_ROP_EN | PM2RECFG_PACKED | (rop << 6)); 910 } else { 911 bus_space_write_4(sc->sc_memt, sc->sc_regh, 912 PM2_RE_CONFIG, 913 PM2RECFG_READ_SRC | PM2RECFG_READ_DST | 914 PM2RECFG_WRITE_EN | PM2RECFG_PACKED | 915 PM2RECFG_ROP_EN | (rop << 6)); 916 } 917 rxd = xd; 918 rwi = wi; 919 rxdelta = xs - xd; 920 } 921 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_RECT_START, 922 (yd << 16) | rxd); 923 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_RECT_SIZE, 924 (he << 16) | rwi); 925 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_SOURCE_DELTA, 926 (((ys - yd) & 0xfff) << 16) | (rxdelta & 0xfff)); 927 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_RENDER, 928 PM2RE_RECTANGLE | dir); 929 } 930 931 static void 932 pm2fb_cursor(void *cookie, int on, int row, int col) 933 { 934 struct rasops_info *ri = cookie; 935 struct vcons_screen *scr = ri->ri_hw; 936 struct pm2fb_softc *sc = scr->scr_cookie; 937 int x, y, wi, he; 938 939 wi = ri->ri_font->fontwidth; 940 he = ri->ri_font->fontheight; 941 942 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { 943 x = ri->ri_ccol * wi + ri->ri_xorigin; 944 y = ri->ri_crow * he + ri->ri_yorigin; 945 if (ri->ri_flg & RI_CURSOR) { 946 pm2fb_bitblt(sc, x, y, x, y, wi, he, 12); 947 ri->ri_flg &= ~RI_CURSOR; 948 } 949 ri->ri_crow = row; 950 ri->ri_ccol = col; 951 if (on) { 952 x = ri->ri_ccol * wi + ri->ri_xorigin; 953 y = ri->ri_crow * he + ri->ri_yorigin; 954 pm2fb_bitblt(sc, x, y, x, y, wi, he, 12); 955 ri->ri_flg |= RI_CURSOR; 956 } 957 } else { 958 scr->scr_ri.ri_crow = row; 959 scr->scr_ri.ri_ccol = col; 960 scr->scr_ri.ri_flg &= ~RI_CURSOR; 961 } 962 963 } 964 965 static void 966 pm2fb_putchar(void *cookie, int row, int col, u_int c, long attr) 967 { 968 struct rasops_info *ri = cookie; 969 struct wsdisplay_font *font = PICK_FONT(ri, c); 970 struct vcons_screen *scr = ri->ri_hw; 971 struct pm2fb_softc *sc = scr->scr_cookie; 972 uint32_t mode; 973 974 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { 975 void *data; 976 uint32_t fg, bg; 977 int uc, i; 978 int x, y, wi, he; 979 980 wi = font->fontwidth; 981 he = font->fontheight; 982 983 if (!CHAR_IN_FONT(c, font)) 984 return; 985 bg = ri->ri_devcmap[(attr >> 16) & 0xf]; 986 fg = ri->ri_devcmap[(attr >> 24) & 0xf]; 987 x = ri->ri_xorigin + col * wi; 988 y = ri->ri_yorigin + row * he; 989 if (c == 0x20) { 990 pm2fb_rectfill(sc, x, y, wi, he, bg); 991 } else { 992 uc = c - font->firstchar; 993 data = (uint8_t *)font->data + uc * ri->ri_fontscale; 994 995 mode = PM2RM_MASK_MIRROR; 996 switch (ri->ri_font->stride) { 997 case 1: 998 mode |= 3 << 7; 999 break; 1000 case 2: 1001 mode |= 2 << 7; 1002 break; 1003 } 1004 1005 pm2fb_wait(sc, 8); 1006 1007 bus_space_write_4(sc->sc_memt, sc->sc_regh, 1008 PM2_RE_MODE, mode); 1009 bus_space_write_4(sc->sc_memt, sc->sc_regh, 1010 PM2_RE_CONFIG, PM2RECFG_WRITE_EN); 1011 bus_space_write_4(sc->sc_memt, sc->sc_regh, 1012 PM2_RE_BLOCK_COLOUR, bg); 1013 bus_space_write_4(sc->sc_memt, sc->sc_regh, 1014 PM2_RE_RECT_START, (y << 16) | x); 1015 bus_space_write_4(sc->sc_memt, sc->sc_regh, 1016 PM2_RE_RECT_SIZE, (he << 16) | wi); 1017 bus_space_write_4(sc->sc_memt, sc->sc_regh, 1018 PM2_RE_RENDER, 1019 PM2RE_RECTANGLE | 1020 PM2RE_INC_X | PM2RE_INC_Y | PM2RE_FASTFILL); 1021 bus_space_write_4(sc->sc_memt, sc->sc_regh, 1022 PM2_RE_BLOCK_COLOUR, fg); 1023 bus_space_write_4(sc->sc_memt, sc->sc_regh, 1024 PM2_RE_RENDER, 1025 PM2RE_RECTANGLE | PM2RE_SYNC_ON_MASK | 1026 PM2RE_INC_X | PM2RE_INC_Y | PM2RE_FASTFILL); 1027 1028 pm2fb_wait(sc, he); 1029 switch (ri->ri_font->stride) { 1030 case 1: { 1031 uint8_t *data8 = data; 1032 uint32_t reg; 1033 for (i = 0; i < he; i++) { 1034 reg = *data8; 1035 bus_space_write_4(sc->sc_memt, 1036 sc->sc_regh, 1037 PM2_RE_BITMASK, reg); 1038 data8++; 1039 } 1040 break; 1041 } 1042 case 2: { 1043 uint16_t *data16 = data; 1044 uint32_t reg; 1045 for (i = 0; i < he; i++) { 1046 reg = *data16; 1047 bus_space_write_4(sc->sc_memt, 1048 sc->sc_regh, 1049 PM2_RE_BITMASK, reg); 1050 data16++; 1051 } 1052 break; 1053 } 1054 } 1055 } 1056 if (attr & 1) 1057 pm2fb_rectfill(sc, x, y + he - 2, wi, 1, fg); 1058 } 1059 } 1060 1061 static void 1062 pm2fb_putchar_aa(void *cookie, int row, int col, u_int c, long attr) 1063 { 1064 struct rasops_info *ri = cookie; 1065 struct wsdisplay_font *font = PICK_FONT(ri, c); 1066 struct vcons_screen *scr = ri->ri_hw; 1067 struct pm2fb_softc *sc = scr->scr_cookie; 1068 uint32_t bg, fg, /*latch = 0,*/ bg8, fg8, pixel; 1069 int i, x, y, wi, he, r, g, b, aval; 1070 int r1, g1, b1, r0, g0, b0, fgo, bgo; 1071 uint8_t *data8; 1072 int rv = GC_NOPE, cnt = 0; 1073 1074 if (sc->sc_mode != WSDISPLAYIO_MODE_EMUL) 1075 return; 1076 1077 if (!CHAR_IN_FONT(c, font)) 1078 return; 1079 1080 wi = font->fontwidth; 1081 he = font->fontheight; 1082 1083 bg = ri->ri_devcmap[(attr >> 16) & 0xf]; 1084 fg = ri->ri_devcmap[(attr >> 24) & 0xf]; 1085 x = ri->ri_xorigin + col * wi; 1086 y = ri->ri_yorigin + row * he; 1087 if (c == 0x20) { 1088 pm2fb_rectfill(sc, x, y, wi, he, bg); 1089 if (attr & 1) 1090 pm2fb_rectfill(sc, x, y + he - 2, wi, 1, fg); 1091 return; 1092 } 1093 1094 rv = glyphcache_try(&sc->sc_gc, c, x, y, attr); 1095 if (rv == GC_OK) 1096 return; 1097 1098 data8 = WSFONT_GLYPH(c, font); 1099 1100 pm2fb_wait(sc, 5); 1101 #if 0 1102 /* 1103 * TODO: 1104 * - use packed mode here as well, instead of writing each pixel separately 1105 * - see if we can trick the chip into doing the alpha blending for us 1106 */ 1107 x = x >> 2; 1108 wi = (wi + 3) >> 2; 1109 #endif 1110 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_MODE, 0); 1111 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_CONFIG, 1112 PM2RECFG_WRITE_EN /*| PM2RECFG_PACKED*/); 1113 bus_space_write_4(sc->sc_memt, sc->sc_regh, 1114 PM2_RE_RECT_START, (y << 16) | x); 1115 bus_space_write_4(sc->sc_memt, sc->sc_regh, 1116 PM2_RE_RECT_SIZE, (he << 16) | wi); 1117 bus_space_write_4(sc->sc_memt, sc->sc_regh, 1118 PM2_RE_RENDER, 1119 PM2RE_RECTANGLE | PM2RE_SYNC_ON_HOST | 1120 PM2RE_INC_X | PM2RE_INC_Y); 1121 /* 1122 * we need the RGB colours here, so get offsets into rasops_cmap 1123 */ 1124 fgo = ((attr >> 24) & 0xf) * 3; 1125 bgo = ((attr >> 16) & 0xf) * 3; 1126 1127 r0 = rasops_cmap[bgo]; 1128 r1 = rasops_cmap[fgo]; 1129 g0 = rasops_cmap[bgo + 1]; 1130 g1 = rasops_cmap[fgo + 1]; 1131 b0 = rasops_cmap[bgo + 2]; 1132 b1 = rasops_cmap[fgo + 2]; 1133 #define R3G3B2(r, g, b) ((r & 0xe0) | ((g >> 3) & 0x1c) | (b >> 6)) 1134 bg8 = R3G3B2(r0, g0, b0); 1135 fg8 = R3G3B2(r1, g1, b1); 1136 1137 pm2fb_wait(sc, 200); 1138 1139 for (i = 0; i < ri->ri_fontscale; i++) { 1140 aval = *data8; 1141 if (aval == 0) { 1142 pixel = bg8; 1143 } else if (aval == 255) { 1144 pixel = fg8; 1145 } else { 1146 r = aval * r1 + (255 - aval) * r0; 1147 g = aval * g1 + (255 - aval) * g0; 1148 b = aval * b1 + (255 - aval) * b0; 1149 pixel = ((r & 0xe000) >> 8) | 1150 ((g & 0xe000) >> 11) | 1151 ((b & 0xc000) >> 14); 1152 } 1153 #if 0 1154 latch = (latch << 8) | pixel; 1155 /* write in 32bit chunks */ 1156 if ((i & 3) == 3) { 1157 bus_space_write_stream_4(sc->sc_memt, sc->sc_regh, 1158 PM2_RE_DATA, latch); 1159 /* 1160 * not strictly necessary, old data should be shifted 1161 * out 1162 */ 1163 latch = 0; 1164 cnt++; 1165 if (cnt > 190) { 1166 pm2fb_wait(sc, 200); 1167 cnt = 0; 1168 } 1169 } 1170 #else 1171 bus_space_write_4(sc->sc_memt, sc->sc_regh, 1172 PM2_RE_COLOUR, pixel); 1173 1174 if (cnt > 190) { 1175 pm2fb_wait(sc, 200); 1176 cnt = 0; 1177 } 1178 #endif 1179 data8++; 1180 } 1181 #if 0 1182 /* if we have pixels left in latch write them out */ 1183 if ((i & 3) != 0) { 1184 latch = latch << ((4 - (i & 3)) << 3); 1185 bus_space_write_stream_4(sc->sc_memt, sc->sc_regh, 1186 PM2_RE_DATA, latch); 1187 } 1188 #endif 1189 /* 1190 * XXX 1191 * occasionally characters end up in the cache only partially drawn 1192 * apparently the blitter might end up grabbing them before they're 1193 * completely flushed out into video memory 1194 * so we let the pipeline drain a little bit before continuing 1195 */ 1196 pm2fb_wait(sc, 20); 1197 1198 if (rv == GC_ADD) { 1199 glyphcache_add(&sc->sc_gc, c, x, y); 1200 } else if (attr & 1) 1201 pm2fb_rectfill(sc, x, y + he - 2, wi, 1, fg); 1202 } 1203 1204 static void 1205 pm2fb_copycols(void *cookie, int row, int srccol, int dstcol, int ncols) 1206 { 1207 struct rasops_info *ri = cookie; 1208 struct vcons_screen *scr = ri->ri_hw; 1209 struct pm2fb_softc *sc = scr->scr_cookie; 1210 int32_t xs, xd, y, width, height; 1211 1212 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 1213 xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol; 1214 xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol; 1215 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 1216 width = ri->ri_font->fontwidth * ncols; 1217 height = ri->ri_font->fontheight; 1218 pm2fb_bitblt(sc, xs, y, xd, y, width, height, 3); 1219 } 1220 } 1221 1222 static void 1223 pm2fb_erasecols(void *cookie, int row, int startcol, int ncols, long fillattr) 1224 { 1225 struct rasops_info *ri = cookie; 1226 struct vcons_screen *scr = ri->ri_hw; 1227 struct pm2fb_softc *sc = scr->scr_cookie; 1228 int32_t x, y, width, height, fg, bg, ul; 1229 1230 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 1231 x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol; 1232 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 1233 width = ri->ri_font->fontwidth * ncols; 1234 height = ri->ri_font->fontheight; 1235 rasops_unpack_attr(fillattr, &fg, &bg, &ul); 1236 1237 pm2fb_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]); 1238 } 1239 } 1240 1241 static void 1242 pm2fb_copyrows(void *cookie, int srcrow, int dstrow, int nrows) 1243 { 1244 struct rasops_info *ri = cookie; 1245 struct vcons_screen *scr = ri->ri_hw; 1246 struct pm2fb_softc *sc = scr->scr_cookie; 1247 int32_t x, ys, yd, width, height; 1248 1249 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 1250 x = ri->ri_xorigin; 1251 ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow; 1252 yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow; 1253 width = ri->ri_emuwidth; 1254 height = ri->ri_font->fontheight*nrows; 1255 pm2fb_bitblt(sc, x, ys, x, yd, width, height, 3); 1256 } 1257 } 1258 1259 static void 1260 pm2fb_eraserows(void *cookie, int row, int nrows, long fillattr) 1261 { 1262 struct rasops_info *ri = cookie; 1263 struct vcons_screen *scr = ri->ri_hw; 1264 struct pm2fb_softc *sc = scr->scr_cookie; 1265 int32_t x, y, width, height, fg, bg, ul; 1266 1267 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 1268 x = ri->ri_xorigin; 1269 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 1270 width = ri->ri_emuwidth; 1271 height = ri->ri_font->fontheight * nrows; 1272 rasops_unpack_attr(fillattr, &fg, &bg, &ul); 1273 1274 pm2fb_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]); 1275 } 1276 } 1277 1278 /* 1279 * Permedia2 can't blit outside of 2048x2048, so reject anything higher 1280 * max. dot clock is probably too high 1281 */ 1282 1283 #define MODE_IS_VALID(m) (((m)->hdisplay < 2048) && \ 1284 ((m)->dot_clock < 230000)) 1285 1286 static void 1287 pm2_setup_i2c(struct pm2fb_softc *sc) 1288 { 1289 int i; 1290 #ifdef PM2FB_DEBUG 1291 int j; 1292 #endif 1293 1294 /* Fill in the i2c tag */ 1295 sc->sc_i2c.ic_cookie = sc; 1296 sc->sc_i2c.ic_acquire_bus = pm2fb_i2c_acquire_bus; 1297 sc->sc_i2c.ic_release_bus = pm2fb_i2c_release_bus; 1298 sc->sc_i2c.ic_send_start = pm2fb_i2c_send_start; 1299 sc->sc_i2c.ic_send_stop = pm2fb_i2c_send_stop; 1300 sc->sc_i2c.ic_initiate_xfer = pm2fb_i2c_initiate_xfer; 1301 sc->sc_i2c.ic_read_byte = pm2fb_i2c_read_byte; 1302 sc->sc_i2c.ic_write_byte = pm2fb_i2c_write_byte; 1303 sc->sc_i2c.ic_exec = NULL; 1304 1305 DPRINTF("data: %08x\n", bus_space_read_4(sc->sc_memt, sc->sc_regh, 1306 PM2_DISPLAY_DATA)); 1307 1308 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_DISPLAY_DATA, 0); 1309 1310 /* zero out the EDID buffer */ 1311 memset(sc->sc_edid_data, 0, 128); 1312 1313 /* Some monitors don't respond first time */ 1314 i = 0; 1315 while (sc->sc_edid_data[1] == 0 && i < 10) { 1316 ddc_read_edid(&sc->sc_i2c, sc->sc_edid_data, 128); 1317 i++; 1318 } 1319 #ifdef PM2FB_DEBUG 1320 printf("i = %d\n", i); 1321 for (i = 0; i < 128; i += 16) { 1322 printf("%02x:", i); 1323 for (j = 0; j < 16; j++) 1324 printf(" %02x", sc->sc_edid_data[i + j]); 1325 printf("\n"); 1326 } 1327 #endif 1328 1329 if (edid_parse(&sc->sc_edid_data[0], &sc->sc_ei) != -1) { 1330 #ifdef PM2FB_DEBUG 1331 edid_print(&sc->sc_ei); 1332 #endif 1333 1334 /* 1335 * Now pick a mode. 1336 */ 1337 if ((sc->sc_ei.edid_preferred_mode != NULL)) { 1338 struct videomode *m = sc->sc_ei.edid_preferred_mode; 1339 if (MODE_IS_VALID(m)) { 1340 sc->sc_videomode = m; 1341 } else { 1342 aprint_error_dev(sc->sc_dev, 1343 "unable to use preferred mode\n"); 1344 } 1345 } 1346 /* 1347 * if we can't use the preferred mode go look for the 1348 * best one we can support 1349 */ 1350 if (sc->sc_videomode == NULL) { 1351 struct videomode *m = sc->sc_ei.edid_modes; 1352 1353 sort_modes(sc->sc_ei.edid_modes, 1354 &sc->sc_ei.edid_preferred_mode, 1355 sc->sc_ei.edid_nmodes); 1356 if (sc->sc_videomode == NULL) 1357 for (int n = 0; n < sc->sc_ei.edid_nmodes; n++) 1358 if (MODE_IS_VALID(&m[n])) { 1359 sc->sc_videomode = &m[n]; 1360 break; 1361 } 1362 } 1363 } 1364 if (sc->sc_videomode == NULL) { 1365 /* no EDID data? */ 1366 sc->sc_videomode = pick_mode_by_ref(sc->sc_width, 1367 sc->sc_height, 60); 1368 } 1369 if (sc->sc_videomode != NULL) { 1370 pm2fb_set_mode(sc, sc->sc_videomode); 1371 } 1372 } 1373 1374 /* I2C bitbanging */ 1375 static void pm2fb_i2cbb_set_bits(void *cookie, uint32_t bits) 1376 { 1377 struct pm2fb_softc *sc = cookie; 1378 uint32_t out; 1379 1380 out = bits << 2; /* bitmasks match the IN bits */ 1381 1382 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_DISPLAY_DATA, out); 1383 delay(100); 1384 } 1385 1386 static void pm2fb_i2cbb_set_dir(void *cookie, uint32_t dir) 1387 { 1388 /* Nothing to do */ 1389 } 1390 1391 static uint32_t pm2fb_i2cbb_read(void *cookie) 1392 { 1393 struct pm2fb_softc *sc = cookie; 1394 uint32_t bits; 1395 1396 bits = bus_space_read_4(sc->sc_memt, sc->sc_regh, PM2_DISPLAY_DATA); 1397 return bits; 1398 } 1399 1400 /* higher level I2C stuff */ 1401 static int 1402 pm2fb_i2c_acquire_bus(void *cookie, int flags) 1403 { 1404 /* private bus */ 1405 return (0); 1406 } 1407 1408 static void 1409 pm2fb_i2c_release_bus(void *cookie, int flags) 1410 { 1411 /* private bus */ 1412 } 1413 1414 static int 1415 pm2fb_i2c_send_start(void *cookie, int flags) 1416 { 1417 return (i2c_bitbang_send_start(cookie, flags, &pm2fb_i2cbb_ops)); 1418 } 1419 1420 static int 1421 pm2fb_i2c_send_stop(void *cookie, int flags) 1422 { 1423 1424 return (i2c_bitbang_send_stop(cookie, flags, &pm2fb_i2cbb_ops)); 1425 } 1426 1427 static int 1428 pm2fb_i2c_initiate_xfer(void *cookie, i2c_addr_t addr, int flags) 1429 { 1430 1431 return (i2c_bitbang_initiate_xfer(cookie, addr, flags, 1432 &pm2fb_i2cbb_ops)); 1433 } 1434 1435 static int 1436 pm2fb_i2c_read_byte(void *cookie, uint8_t *valp, int flags) 1437 { 1438 return (i2c_bitbang_read_byte(cookie, valp, flags, &pm2fb_i2cbb_ops)); 1439 } 1440 1441 static int 1442 pm2fb_i2c_write_byte(void *cookie, uint8_t val, int flags) 1443 { 1444 return (i2c_bitbang_write_byte(cookie, val, flags, &pm2fb_i2cbb_ops)); 1445 } 1446 1447 #define RefClk 14318 /* all frequencies are in kHz */ 1448 static int 1449 pm2fb_set_pll(struct pm2fb_softc *sc, int freq) 1450 { 1451 int m, n, p, diff, out_freq, bm = 1, bn = 3, bp = 0, 1452 bdiff = 1000000 /* , bfreq */; 1453 int fi; 1454 uint8_t temp; 1455 1456 /* 1457 * this should work on PM2V, PM2 needs something slightly different 1458 */ 1459 for (m = 1; m < 128; m++) { 1460 for (n = 2 * m + 1; n < 256; n++) { 1461 fi = RefClk * n / m; 1462 for (p = 0; p < 2; p++) { 1463 out_freq = fi >> (p + 1); 1464 diff = abs(out_freq - freq); 1465 if (diff < bdiff) { 1466 bdiff = diff; 1467 /* bfreq = out_freq; */ 1468 bm = m; 1469 bn = n; 1470 bp = p; 1471 } 1472 } 1473 } 1474 } 1475 #if 0 1476 /* 1477 * XXX 1478 * output between switching modes and attaching a wsdisplay will 1479 * go through firmware calls on sparc64 and potentially mess up 1480 * our drawing engine state 1481 */ 1482 DPRINTF("best: %d kHz ( %d off ), %d %d %d\n", bfreq, bdiff, bm, bn, bp); 1483 #endif 1484 temp = pm2fb_read_dac(sc, PM2V_DAC_CLOCK_CONTROL) & 0xfc; 1485 pm2fb_write_dac(sc, PM2V_DAC_CONTROL, 0); 1486 pm2fb_write_dac(sc, PM2V_DAC_CLOCK_A_M, bm); 1487 pm2fb_write_dac(sc, PM2V_DAC_CLOCK_A_N, bn); 1488 pm2fb_write_dac(sc, PM2V_DAC_CLOCK_A_P, bp); 1489 pm2fb_write_dac(sc, PM2V_DAC_CLOCK_CONTROL, temp | 3); 1490 return 0; 1491 } 1492 1493 /* 1494 * most of the following was adapted from the xf86-video-glint driver's 1495 * pm2v_dac.c 1496 */ 1497 static void 1498 pm2fb_set_mode(struct pm2fb_softc *sc, const struct videomode *mode) 1499 { 1500 int t1, t2, t3, t4, stride; 1501 uint32_t vclk; 1502 uint8_t sync = 0; 1503 1504 t1 = mode->hsync_start - mode->hdisplay; 1505 t2 = mode->vsync_start - mode->vdisplay; 1506 t3 = mode->hsync_end - mode->hsync_start; 1507 t4 = mode->vsync_end - mode->vsync_start; 1508 1509 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_HTOTAL, 1510 ((mode->htotal) >> 3) - 1); 1511 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_HSYNC_END, 1512 (t1 + t3) >> 3); 1513 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_HSYNC_START, 1514 (t1 >> 3) - 1); 1515 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_HBLANK_END, 1516 (mode->htotal - mode->hdisplay) >> 3); 1517 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_HGATE_END, 1518 (mode->htotal - mode->hdisplay) >> 3); 1519 1520 /* first round up to the next multiple of 32 */ 1521 stride = (mode->hdisplay + 31) & ~31; 1522 /* then find the next bigger one that we have partial products for */ 1523 while ((partprodPermedia[stride >> 5] == -1) && (stride < 2048)) { 1524 stride += 32; 1525 } 1526 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_SCREEN_STRIDE, 1527 stride >> 3); 1528 1529 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_VTOTAL, 1530 mode->vtotal - 1); 1531 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_VSYNC_END, 1532 t2 + t4); 1533 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_VSYNC_START, 1534 t2); 1535 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_VBLANK_END, 1536 mode->vtotal - mode->vdisplay); 1537 1538 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_VIDEO_CONTROL, 1539 PM2_VC_VIDEO_ENABLE | PM2_VC_RAMDAC_64BIT | 1540 PM2_VC_HSYNC_ACT_HIGH | PM2_VC_VSYNC_ACT_HIGH); 1541 1542 vclk = bus_space_read_4(sc->sc_memt, sc->sc_regh, PM2_VCLKCTL); 1543 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_VCLKCTL, 1544 vclk & 0xfffffffc); 1545 1546 pm2fb_set_pll(sc, mode->dot_clock / 2); 1547 pm2fb_write_dac(sc, PM2V_DAC_MISC_CONTROL, PM2V_DAC_8BIT); 1548 1549 if (mode->flags & VID_PHSYNC) 1550 sync |= PM2V_DAC_HSYNC_INV; 1551 if (mode->flags & VID_PVSYNC) 1552 sync |= PM2V_DAC_VSYNC_INV; 1553 pm2fb_write_dac(sc, PM2V_DAC_SYNC_CONTROL, sync); 1554 1555 pm2fb_write_dac(sc, PM2V_DAC_COLOR_FORMAT, PM2V_DAC_PALETTE); 1556 pm2fb_write_dac(sc, PM2V_DAC_PIXEL_SIZE, PM2V_PS_8BIT); 1557 sc->sc_width = mode->hdisplay; 1558 sc->sc_height = mode->vdisplay; 1559 sc->sc_depth = 8; 1560 sc->sc_stride = stride; 1561 aprint_normal_dev(sc->sc_dev, "using %d x %d in 8 bit, stride %d\n", 1562 sc->sc_width, sc->sc_height, stride); 1563 } 1564
Indexes created Tue Sep 30 06:09:59 GMT 2025